<template>
  <nut-popup
    v-model:visible="modalVisible"
    position="bottom"
    :closeable="false"
    :close-on-click-overlay="false"
    round
    :safe-area-inset-bottom="true"
    :catch-move="true"
    class="privacy-modal"
  >
    <view class="privacy-content">
      <!-- 标题 -->
      <view class="privacy-header">
        <text class="privacy-title">隐私政策与用户协议</text>
      </view>

      <!-- 内容 -->
      <view class="privacy-body">
        <text class="privacy-text">
          你好，小程序涉及收集、使用和存储用户信息，增加了
          <text class="privacy-link" @tap="onUserAgreementClick">《用户服务协议》</text>
          及
          <text class="privacy-link" @tap="onPrivacyPolicyClick">《隐私政策》</text>
          ，明确告知收集用户信息的使用目的、方式和用途，并取得用户授权同意后，才能获取用户收集用户信息。
        </text>
      </view>

      <!-- 同意选择 -->
      <view class="privacy-agreement">
        <nut-checkbox v-model="agreed" class="agreement-checkbox">
          <text class="agreement-text">我已阅读并同意上述协议</text>
        </nut-checkbox>
      </view>

      <!-- 操作按钮 -->
      <view class="privacy-actions">
        <nut-button
          class="action-btn cancel-btn"
          @click="onCancel"
        >
          关闭
        </nut-button>
        <nut-button
          class="action-btn confirm-btn"
          type="primary"
          :disabled="!agreed"
          @click="onConfirm"
        >
          确认进入
        </nut-button>
      </view>
    </view>
  </nut-popup>

  <!-- 内容全屏显示弹框 -->
  <nut-popup
    v-model:visible="showContentModal"
    position="right"
    :closeable="true"
    :close-on-click-overlay="true"
    :safe-area-inset-bottom="true"
    :style="{ width: '100%', height: '100%' }"
    @close="onCloseContentModal"
  >
    <view class="content-container">
      <!-- 标题栏 -->
      <view class="content-header">
        <text class="content-title">{{ contentTitle }}</text>
        <view class="close-btn" @click="onCloseContentModal">
          <text class="close-text">×</text>
        </view>
      </view>

      <!-- 内容区域 -->
      <scroll-view class="content-scroll" :scroll-y="true">
        <view class="content-body">
          <view class="content-text" v-html="contentText"></view>
        </view>
      </scroll-view>
      
      <!-- 底部按钮 -->
      <view class="modal-footer">
        <nut-button type="primary" block color="#fb923c" @click="onCloseContentModal">
          我已阅读并同意
        </nut-button>
      </view>
    </view>
  </nut-popup>

  <!-- 用户服务协议弹窗 -->
  <UserServiceAgreementModal
    v-model:visible="showUserAgreementModal"
    @confirm="onUserAgreementConfirm"
  />
</template>

<script setup>
import { ref, computed, watch, defineEmits, defineProps } from 'vue'
import Taro from '@tarojs/taro'
import UserServiceAgreementModal from './UserServiceAgreementModal.vue'

// Props
const props = defineProps({
  visible: {
    type: Boolean,
    default: false
  }
})

// Emits
const emit = defineEmits(['update:visible', 'confirm', 'cancel'])

// 响应式数据
const agreed = ref(false)
const showUserAgreementModal = ref(false)

// 监听弹框显示状态，每次打开时重置agreed
watch(() => props.visible, (newVisible) => {
  if (newVisible) {
    agreed.value = false
  }
})

// 计算属性
const modalVisible = computed({
  get() {
    return props.visible
  },
  set(value) {
    emit('update:visible', value)
  }
})

// 用户服务协议内容
const userAgreementContent = `
<div class="agreement-section">
  <div class="section-title">1.总则</div>
  <div class="section-content">
    <div class="clause-item">用户在使用本平台（以下简称"平台"）服务前，请务必仔细阅读并同意本协议。</div>
    <div class="clause-item">注册或使用即视为接受本协议全部条款，包括免责声明及责任限制。</div>
  </div>
</div>

<div class="agreement-section">
  <div class="section-title">2.服务内容</div>
  <div class="section-content">
    <div class="clause-item">平台仅为校园用户提供二手电动车交易信息发布、浏览及沟通的中介服务，不参与实际交易（如定价、支付、交付），亦不保证车辆质量、合法性或卖家描述的真实性。</div>
  </div>
</div>

<div class="agreement-section">
  <div class="section-title">3.用户义务</div>
  <div class="section-content">
    <div class="clause-item">实名认证：需通过手机号注册，并提供真实学生身份信息（如校园邮箱/学号）。</div>
    <div class="clause-item">信息真实性：卖家需如实描述车辆状况（如年限、里程、维修记录），禁止虚假宣传。</div>
    <div class="clause-item">合法交易：禁止交易赃车、改装车或不符合校园安全规定的车辆。</div>
  </div>
</div>

<div class="agreement-section">
  <div class="section-title">4.责任限制与免责</div>
  <div class="section-content">
    <div class="clause-item">交易风险自担：平台不对车辆质量、权属纠纷或交易损失承担责任，用户需自行验车并签订书面交易协议。</div>
    <div class="clause-item">纠纷处理：如发生争议，用户应协商解决或通过法律途径处理，平台无义务参与调解。</div>
    <div class="clause-item">服务中断：因技术维护、不可抗力导致的服务暂停，平台不承担赔偿责任。</div>
  </div>
</div>

<div class="agreement-section">
  <div class="section-title">5.知识产权</div>
  <div class="section-content">
    <div class="clause-item">平台所有内容（包括Logo、界面设计）版权归开发者所有，未经许可不得复制、商用。</div>
  </div>
</div>

<div class="agreement-section">
  <div class="section-title">6.协议修改</div>
  <div class="section-content">
    <div class="clause-item">平台有权修订本协议，修改后将通过公告或站内通知生效，继续使用视为接受新条款。</div>
  </div>
</div>

<div class="agreement-section">
  <div class="section-title">7.关键免责条款强化建议</div>
  <div class="section-content">
    <div class="clause-item">平台仅提供信息服务，交易风险由用户自行承担。任何车辆质量问题、权属纠纷或资金损失均与平台无关。</div>
  </div>
</div>
`

// 隐私政策内容
const privacyPolicyContent = `
<div class="agreement-section">
  <div class="section-title">1.信息收集范围</div>
  <div class="section-content">
    <div class="clause-item">必要信息：手机号（用于注册、登录、交易沟通）。</div>
    <div class="clause-item">可选信息：昵称、头像（用于个性化展示）。</div>
    <div class="clause-item">设备信息：IP地址、设备型号（用于反欺诈及安全风控）。</div>
  </div>
</div>

<div class="agreement-section">
  <div class="section-title">2.信息使用目的</div>
  <div class="section-content">
    <div class="clause-item">提供交易撮合服务（如向买家展示卖家联系方式）。</div>
    <div class="clause-item">发送安全验证短信或重要通知（如交易状态更新）。</div>
    <div class="clause-item">防止滥用行为（如虚假账号、诈骗）。</div>
  </div>
</div>

<div class="agreement-section">
  <div class="section-title">3.信息保护措施</div>
  <div class="section-content">
    <div class="clause-item">加密存储：手机号等敏感信息经加密后存储，访问权限严格限制。</div>
    <div class="clause-item">最小必要原则：不收集与交易无关的信息（如通讯录、位置）。</div>
    <div class="clause-item">第三方共享：未经用户同意，不向第三方出售或共享数据，除非法律要求。</div>
  </div>
</div>

<div class="agreement-section">
  <div class="section-title">4.用户权利</div>
  <div class="section-content">
    <div class="clause-item">查询/删除信息：通过"账号设置"导出或删除个人信息。</div>
    <div class="clause-item">撤回授权：停止使用后，可联系客服注销账号并清除数据。</div>
  </div>
</div>

<div class="agreement-section">
  <div class="section-title">5.免责例外</div>
  <div class="section-content">
    <div class="clause-item">因用户自行公开联系方式导致的骚扰或诈骗，平台不承担责任。</div>
    <div class="clause-item">因黑客攻击等不可抗力导致数据泄露，平台将及时通知但免于赔偿。</div>
  </div>
</div>
`

// 显示内容的状态
const showContentModal = ref(false)
const contentTitle = ref('')
const contentText = ref('')

/**
 * 点击用户服务协议
 */
const onUserAgreementClick = () => {
  showUserAgreementModal.value = true
}

/**
 * 点击隐私政策
 */
const onPrivacyPolicyClick = () => {
  contentTitle.value = '隐私政策'
  contentText.value = privacyPolicyContent
  showContentModal.value = true
}

/**
 * 关闭内容弹框
 */
const onCloseContentModal = () => {
  showContentModal.value = false
  contentTitle.value = ''
  contentText.value = ''
}

/**
 * 取消操作
 */
const onCancel = () => {
  agreed.value = false
  emit('update:visible', false)
  emit('cancel')
}

/**
 * 用户服务协议确认
 */
const onUserAgreementConfirm = () => {
  showUserAgreementModal.value = false
}

/**
 * 确认操作
 */
const onConfirm = () => {
  if (!agreed.value) {
    Taro.showToast({
      title: '请先同意协议',
      icon: 'none'
    })
    return
  }

  emit('update:visible', false)
  emit('confirm')
}
</script>

<style lang="less">
.privacy-modal {
  // width: 680rpx;
}

.privacy-content {
  padding: 40rpx 32rpx;
  background: white;
  border-radius: 16rpx;
}

.privacy-header {
  text-align: center;
  margin-bottom: 32rpx;
}

.privacy-title {
  font-size: 36rpx;
  font-weight: bold;
  color: #333;
}

.privacy-body {
  margin-bottom: 32rpx;
}

.privacy-text {
  font-size: 28rpx;
  line-height: 1.6;
  color: #666;
}

.privacy-link {
  color: #fb923c;
  text-decoration: underline;
  font-weight: 500;
}

.privacy-agreement {
  margin-bottom: 32rpx;
  padding: 16rpx 0;
}

.agreement-checkbox {
  display: flex;
  align-items: center;
}

.agreement-text {
  font-size: 28rpx;
  color: #666;
  margin-left: 16rpx;
}

.privacy-actions {
  display: flex;
  gap: 24rpx;
}

.action-btn {
  flex: 1;
  height: 88rpx;
  border-radius: 44rpx;
  font-size: 32rpx;
}

.cancel-btn {
  background: #f5f5f5;
  color: #666;
  border: none;
}

.confirm-btn {
  background: #fb923c;
  border: none;
}

.confirm-btn:disabled {
  background: #ccc;
  color: #999;
}

/* 内容弹框样式 */
.content-modal {
  width: 100vw;
  height: 100vh;
}

.content-container {
  width: 100%;
  height: 100vh;
  background: white;
  display: flex;
  flex-direction: column;
}

.content-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 32rpx 40rpx;
  border-bottom: 1rpx solid #eee;
  background: white;
  position: sticky;
  top: 0;
  z-index: 10;
}

.content-title {
  font-size: 36rpx;
  font-weight: bold;
  color: #333;
}

.close-btn {
  width: 60rpx;
  height: 60rpx;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f5f5f5;
  border-radius: 50%;
  cursor: pointer;
}

.close-text {
  font-size: 40rpx;
  color: #666;
  line-height: 1;
}

.content-scroll {
  flex: 1;
  height: 0;
}

.content-body {
  padding: 40rpx;
}

// .content-text {
//   font-size: 28rpx;
//   line-height: 1.8;
//   color: #333;
//   white-space: pre-line;
//   word-wrap: break-word;
// }

// 协议内容样式
.agreement-title {
  font-size: 36rpx;
  font-weight: bold;
  color: #333;
  text-align: center;
  margin-bottom: 40rpx;
  padding-bottom: 20rpx;
  border-bottom: 2rpx solid #e5e5e5;
}

.agreement-section {
  margin-bottom: 30rpx;
}

.section-title {
  font-size: 32rpx;
  font-weight: bold;
  color: #333;
  margin-bottom: 20rpx;
  padding-left: 10rpx;
  border-left: 6rpx solid #007aff;
}

.section-content {
  padding-left: 20rpx;
}

.clause-item {
  font-size: 28rpx;
  color: #666;
  line-height: 1.6;
  margin-bottom: 15rpx;
}

.clause-list {
  margin: 15rpx 0;
  padding-left: 20rpx;
}

.list-item {
  font-size: 26rpx;
  color: #666;
  line-height: 1.5;
  margin-bottom: 10rpx;
  padding-left: 20rpx;
  position: relative;
}

.list-item::before {
  content: '•';
  position: absolute;
  left: 0;
  color: #007aff;
  font-weight: bold;
}
.list-item1 {
  font-size: 26rpx;
  color: #666;
  line-height: 1.5;
  margin-bottom: 10rpx;
  padding-left: 20rpx;
  position: relative;
}

.list-item1::before {
  content: '•';
  position: absolute;
  left: 0;
  color: #007aff;
  font-weight: bold;
}

.agreement-footer {
  font-size: 28rpx;
  color: #999;
  text-align: center;
  margin-top: 40rpx;
  padding-top: 20rpx;
  border-top: 2rpx solid #e5e5e5;
  font-style: italic;
}

.modal-footer {
  padding: 32rpx;
  border-top: 1rpx solid #eee;
  background: white;
  position: sticky;
  bottom: 0;
  z-index: 10;
}
</style>